Peter Dragsbo Books

Funf Furstenschlosser an der Flensburger Forde

By Inge Adriansen, Peter Dragsbo

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En faelles kulturarv

By Jens Peter La Cour Dragsbo

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Hvem tegnede husene

By Jens Peter La Cour Dragsbo

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The building historian Peter Dragsbo invites us in the book to a trip to Langeland and Strynø to castles and manor houses, churches and townhouses and tells along the way, among other things. new a...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.